.center{
    height: 300px;
    display: flex;
    overflow:hidden;
}
.box1,.box2,.box3,.box4{
    border: 1px solid;
    height: 100%;
    width: 23%;
    align-content: space-between;
    margin-right: 10px;
}
.ant-layout-content{
    margin: 0 !important;
}
.top{
    height: 40px;
    background-color: rgb(166, 174, 181);
    margin-bottom: 30px;
}
.top span{
    line-height: 40px;
    margin-left: 20px;
}
.icon{
     font-size: 54px;
     margin: 30px 16px 30px 30px;
}
.icontype{
    font-size: 44px;
}
.start{
    margin: 10px 40px;
}
.button1{
    border: none;
    width: 100px;
    height: 30px;
    background-color: rgb(110, 196, 91);
    border-radius: 4px;
    color: aliceblue;
    margin: 10px 10px 0 30px;
}
.button2{
    border: none;
    width: 100px;
    height: 30px;
    background-color: rgb(219, 89, 63);
    border-radius: 4px;
    color: aliceblue;
    margin: 10px 10px 0 10px;
}
.button4{
    border: none;
    width: 100px;
    height: 30px;
    background-color: rgb(31, 149, 222);
    border-radius: 4px;
    color: aliceblue;
    margin: 10px 10px 0 10px;
}